Abstract

For both pool and flow film boiling, the liquid-vapor interface is rarely stationary, stable film boiling exhibits a continuously wavy interface with an amplitude of oscillation dependent on parameters such as liquid saturation temperature, amount of superheat, amount of subcooling, liquid velocity, and heater geometry. The present analysis treats from a theoretical point of view stagnation point flow film boiling on a sphere and on a cylinder immersed in a subcooled liquid. The effects of system parameters on the dynamic behavior as well as the response of a liquid-vapor interface to changes in the temperature and velocity fields are investigated.

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